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kicyunya [14]
2 years ago
8

At STP, fluorine is a gas and iodine is a solid. This observation can be explained by the fact that fluorine has

Chemistry
2 answers:
motikmotik2 years ago
6 0
<span>The answer is 4. The molecules of each material entice each other over dispersion (London) intermolecular forces. Whether a substance is a solid, liquid, or gas hinge on the stability between the kinetic energies of the molecules and their intermolecular magnetisms. In fluorine, the electrons are firmly apprehended to the nuclei. The electrons have slight accidental to stroll to one side of the molecule, so the London dispersion powers are comparatively weak. As we go from fluorine to iodine, the electrons are far from the nuclei so the electron exhausts can more effortlessly misrepresent. The London dispersion forces developed to be increasingly stronger.</span>
Ierofanga [76]2 years ago
3 0

Answer:

F THE OTHER WRONG ANSWER ITS <u><em>2</em></u>

Explanation:

ITS 2 BLESSING!!!!

MAN RESPECT

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An unknown gas effuses at a rate 0.797 times that of nitrogen at the same temperature. what is the molar mass of the unknown gas
kicyunya [14]
<span>mass B/molar mass A = (rate A/rate B)^2. we know our unknown gas (A) effuses at .797 times our known gas (B) so rate A/rate B = .797 so 0.797^2 = 28 / molar mass A Molar mass A = 28 / 0.635 = 44.09 g / mole Molar mass is 44.09 g/mol</span>
7 0
2 years ago
Read 2 more answers
You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fill the flask to the top with water an
GaryK [48]

Note: You only asked for the mass of the solid, if you have further questions, you can ask, I will give you the solution

Answer:

Mass of solid = 75.7051 g

Explanation:

Mass of flask plus + solid = 134.2642 g

Mass of flask = 58.5591 g

Mass of solid = (Mass of flask + solid) - (Mask of flask)

Mass of solid = ( 134.2642) - (58.5591)

Mass of solid = 75.7051 g

6 0
2 years ago
heated blocks of iron used to be warm bed. A 1600g brick of iron heated to 155c would release how many joules of heat energy as
omeli [17]
We are going to use this formula : 

Q = M*C*ΔT

when Q is the heat released by the material in J 

and M is the mass in gram = 1600 g 

C is the specific heat capacity of iron = 0.4494 J/g

and ΔT is the changing in temperature = 155 - 25 = 130 °C

So by substitution:

∴ Q = 1600 g * 0.4494 J/g * 130 °C

       = 93475 J

∴ The amount of heat released in Joule = 93475 J
3 0
2 years ago
A. what are the noble gases? b. what is a noble-gas configuration? c. how does noble-gas notation simplify writing an atom's ele
mamaluj [8]
A. Noble gases are the chemical elements in group 18 of the periodic table. 
B. Noble gas configuration is the electron configuration of noble gases. 
C. Noble gases abbreviates large portions of the configuration. 
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2 years ago
How do acids and bases affect molecules such Proteins? ​
Taya2010 [7]

Answer:

Strong acids and bases both denature proteins by severing disulphide bonds and at higher temperatures, can break proteins into peptides, or even individual amino acids.

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2 years ago
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